Provide a consistent way to specify file paths in packageRules and customManagers

[suzuki-shunsuke]

Tell us more.

Provide a consistent way to specify file paths in packageRules and customManagers

• packagesRules's matchFileNames supports a glob pattern
• customManagers's fileMatch supports a regular expression

I propose to support the same way to specify file paths in both packageRules and customManagers.

For instance, adding a new field like matchFileNamesRegexp to packageRules.

Why?

I'd like to develop Renovate Config Presets which works on only specific files.
Users can pass an argument to specify file pathes.

e.g.

"github>aquaproj/aqua-renovate-config:file#2.7.4(aqua/.*\\.ya?ml)"

In this example, I'd like to restrict file paths to the regular expression aqua/.*\\.ya?ml.
But packageRules doesn't support regular expressions.

A workaround is to pass a glob pattern to the preset too, but we can't replace a regular expression aqua/.*\\.ya?ml with a glob pattern.

[RahulGautamSingh]

matchFileNames can handle both regex or glob. The documentation needs an update to match the behaviour.

renovate/lib/util/package-rules/files.ts

Lines 18 to 24 in c4e20c8

	if (matchRegexOrGlobList(packageFile, matchFileNames)) {
	return true;
	}
	if (is.array(lockFiles)) {
	return anyMatchRegexOrGlobList(lockFiles, matchFileNames);
	}

We could use the same matchRegexorGlobList function for the fileMatch in custom managers as well.

@rarkins wdyt?

[rarkins]

Please update the docs for matchFilesNames.

If we extend fileMatch to use matchRegexorGlobList then it needs a new name plus migrations. I created #34427 for this

[gabrielfeo]

I've opened #36337 updating the docs for matchFileNames.